function eraseField(inputField){
	inputField.original = inputField.original ? inputField.original : inputField.value;
	if(inputField.value && inputField.value == inputField.original){
		inputField.value = "";
	}
	inputField.focus();
}

function replaceField(inputField){
	if(!inputField.value){
		inputField.value = inputField.original;	
	}
	inputField.blur();
}